57 lines
1.6 KiB
Objective-C
57 lines
1.6 KiB
Objective-C
//
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// KBKeyButton.m
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// CustomKeyboard
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//
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#import "KBKeyButton.h"
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#import "KBKey.h"
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@implementation KBKeyButton
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- (instancetype)initWithFrame:(CGRect)frame {
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if (self = [super initWithFrame:frame]) {
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[self applyDefaultStyle];
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}
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return self;
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}
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- (void)applyDefaultStyle {
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self.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold]; // 字体样式
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[self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
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[self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
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self.backgroundColor = [UIColor whiteColor];
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self.layer.cornerRadius = 6.0; // 圆角
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self.layer.masksToBounds = NO;
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self.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor; // 阴影效果
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self.layer.shadowOpacity = 1.0;
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self.layer.shadowOffset = CGSizeMake(0, 1);
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self.layer.shadowRadius = 1.5;
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[self refreshStateAppearance];
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}
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- (void)setHighlighted:(BOOL)highlighted {
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[super setHighlighted:highlighted];
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// 简单按压反馈：选中态不改变透明度，避免和高亮态冲突
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if (self.isSelected) {
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self.alpha = 1.0;
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} else {
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self.alpha = highlighted ? 0.2 : 1.0;
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}
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}
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- (void)setSelected:(BOOL)selected {
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[super setSelected:selected];
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[self refreshStateAppearance];
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}
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- (void)refreshStateAppearance {
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// 选中态用于 Shift/CapsLock 等特殊按键的高亮显示
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if (self.isSelected) {
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self.backgroundColor = [UIColor colorWithWhite:0.85 alpha:1.0];
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} else {
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self.backgroundColor = [UIColor whiteColor];
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}
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}
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@end
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